Showing posts with label Automation. Show all posts
Showing posts with label Automation. Show all posts

Tuesday, 8 October 2024

Terraform Build Azure Infrastructure

These are the links for us to use to build infrastructure on Azure


Git - Repositories

More links to investigate and learn to Build Terraform on Azure

Tuesday, 3 September 2024

How do I build automation with ChatGPT and keep my system running with Ansible

 Simplify Your Ansible Playbook Creation with ChatGPT

Are you tired of writing complex Ansible playbooks manually? Want to streamline your DevOps processes and save time? Look no further! I’ve just released a new video that shows you how to use ChatGPT to simplify and speed up the process of generating Ansible code.

In the video, I walk you through several practical examples where ChatGPT helps in automating the creation of Ansible playbooks. Whether you’re checking system resources, verifying Java installations, monitoring WebSphere applications, or ensuring your filesystems aren’t running out of space, ChatGPT can help you generate the required playbook code with ease.


What You’ll Learn:

  1. System Resource Monitoring:

    • Learn how to create an Ansible playbook that monitors CPU, memory, disk, and network usage across your servers.
  2. Conditional Logic for Different Linux Distros:

    • See how to write playbooks that adapt to different Linux distributions, ensuring that the correct commands are executed regardless of the environment.
  3. Java and WebSphere Application Checks:

    • Discover how to automate the process of checking for Java installations and monitoring the status of WebSphere Application Server instances.
  4. Filesystem Usage Alerts:

    • Watch how to create a playbook that checks filesystem usage and triggers alerts if any directory exceeds a specified storage threshold.

Why This Video is Essential:

Ansible is a powerful tool for automating IT infrastructure, but writing playbooks can be time-consuming and error-prone. By leveraging ChatGPT, you can generate accurate, optimized code faster and with less effort. This video is a must-watch for DevOps professionals, system administrators, and anyone looking to improve their Ansible workflows.

Watch the video now to see how ChatGPT can transform your approach to Ansible playbook creation and make your automation tasks more efficient than ever!

Thursday, 29 February 2024

Terraform configuration to build a Zero-trust network



Terraform configuration to build a Zero-trust network for web applications in Azure MS, with Azure Firewall and application gateways:

Terraform
terraform {
  required_providers {
    azurerm = {
      source  = "hashicorp/azurerm"
      version = ">= 3.0.0"
    }
  }
}

provider "azurerm" {
  features {}
}

resource "azurerm_resource_group" "zerotrust" {
  name     = "zerotrust-rg"
  location = "westus"
}

resource "azurerm_virtual_network" "app-vnet" {
  name     = "app-vnet"
  location = azurerm_resource_group.zerotrust.location
  address_prefixes = ["10.0.0.0/16"]

  subnet {
    name         = "app-subnet"
    address_prefix = "10.0.1.0/24"
  }
}

resource "azurerm_application_gateway" "app-gw" {
  name     = "app-gw"
  location = azurerm_resource_group.zerotrust.location
  capacity = 2

  frontend_port {
    name     = "http"
    port     = 80
    protocol = "Http"
  }

  frontend_port {
    name     = "https"
    port     = 443
    protocol = "Https"
  }

  backend_address_pool {
    name = "app-backend-pool"
  }

  frontend_ip_configuration {
    name   = "app-frontend-ip"
    public_ip_address_id = null
  }

  listener {
    name                 = "http-listener"
    protocol             = "Http"
    frontend_port_name   = "http"
    frontend_ip_config_name = "app-frontend-ip"
  }

  listener {
    name                 = "https-listener"
    protocol             = "Https"
    frontend_port_name   = "https"
    frontend_ip_config_name = "app-frontend-ip"
  }

  request_routing_rule {
    name         = "app-http-rule"
    listener_name = "http-listener"
    backend_address_pool_name = "app-backend-pool"
    backend_http_setting_name = "app-http-setting"
  }

  request_routing_rule {
    name         = "app-https-rule"
    listener_name = "https-listener"
    backend_address_pool_name = "app-backend-pool"
    backend_http_setting_name = "app-https-setting"
  }

  backend_http_setting {
    name         = "app-http-setting"
    idle_timeout_in_minutes = 10

    path_rule {
      name         = "app-rule"
      path_patterns = ["/*"]
      backend_pool_name = "app-backend-pool"
      backend_http_setting_name = "app-http-setting"
    }
  }

  backend_http_setting {
    name         = "app-https-setting"
    idle_timeout_in_minutes = 10

    path_rule {
      name         = "app-rule"
      path_patterns = ["/*"]
      backend_pool_name = "app-backend-pool"
      backend_http_setting_name = "app-https-setting"
    }
  }

  probe {
    name        = "app-probe"
    path        = "/"
    interval_in_seconds = 30
    threshold = 3
  }

  health_monitor {
    name     = "app-monitor"
    probe_name = "app-probe"
  }
}
YAML
---
- name: Provision whitelist configuration
  hosts: all
  become: true
  tasks:
    - name: Get whitelist data from database
      uri:
        url: "https://database

OBS: 

Disclaimer

This Terraform and Ansible code is provided for informational purposes only and should not be considered production-ready. Running this code may have unintended consequences and could potentially compromise your Azure environment.

By using this code, you assume all risk and responsibility for any damages or losses that may occur. It is highly recommended to thoroughly understand the code and modify it to fit your specific needs and security requirements before deploying it in a production environment.

Additionally, always consult with qualified Azure and security professionals before implementing any changes in your environment.


Source Code:


Friday, 4 August 2023

From Silos to Success: How DevOps Transforms Development and Operations


In the rapidly evolving landscape of software development, the term "DevOps" has gained significant prominence.

DevOps, short for combination of work and efforts from Development teams and Operations teams, represents a collaborative and holistic approach to software development and deployment...                


It aims to break down traditional silos between development and IT operations teams, fostering a culture of seamless communication, continuous integration, and rapid delivery. This article provides an introduction to the concept of DevOps, its principles, benefits, and its role in modern software development.

**Understanding DevOps:**

DevOps is a methodology that emphasises the collaboration and cooperation of software development (Dev) and IT operations (Ops) teams throughout the entire software development lifecycle. 

Traditionally, these two functions worked in isolation, leading to communication gaps, slower release cycles, and a lack of accountability in case of issues. DevOps seeks to bridge this gap by promoting shared responsibilities and a more streamlined approach.

**Key Principles of DevOps:**

1. **Collaboration:**DevOps encourages open communication and cooperation between developers, testers, and operations teams. This helps in identifying and addressing potential problems early in the development process.


2. **Automation:** Automation is a core principle of DevOps. By automating tasks like testing, deployment, and infrastructure provisioning, teams can reduce human errors, improve efficiency, and ensure consistent processes.



e.g. Example of DevOps LifeCycle - planning your platform and mapping out what you need to accomplish at each step


3. **Continuous Integration (CI):**CI involves integrating code changes from multiple developers into a shared repository several times a day. This ensures that new code is regularly tested and merged, reducing integration issues and improving software quality.


4. **Continuous Delivery (CD):** CD builds upon CI by automating the deployment process. It allows for the rapid and reliable release of software updates to production environments, minimising manual interventions and reducing deployment risks.


5. **Monitoring and Feedback:**DevOps emphasises real-time monitoring of applications and infrastructure. This helps teams identify performance bottlenecks, security vulnerabilities, and other issues, enabling quick remediation.


DevOps LifeCycle
e.g - Of DevOps Lifecycle

[ “ While Talking to customers, we found that while automating the continuous delivery pipeline was important, the missing part was enabling the feedback loop,” Monitoring and logging software packages are rapidly converging on the notion of becoming “DevOps hubs” ]

**Benefits of DevOps:**

1. **Faster Time to Market:** DevOps practices enable quicker development cycles and faster release of features or updates, allowing businesses to respond to market demands more effectively.


2. **Improved Collaboration:** DevOps breaks down barriers between teams, fostering better understanding and cooperation, which ultimately leads to improved software quality.


3. **Enhanced Reliability:** Automation and continuous testing ensure that changes are thoroughly tested and consistently deployed, reducing the likelihood of failures in production environments.


4. **Scalability:** DevOps practices, combined with cloud technologies, allow applications to scale seamlessly according to demand.


5. **Higher Quality Software:**Continuous testing and feedback loops lead to higher software quality, as issues are identified and addressed early in the development process.


**Conclusion:**

DevOps represents a paradigm shift in software development, moving away from traditional, siloed approaches towards a collaborative, automated, and customer-focused methodology. By promoting a culture of collaboration, automation, and continuous improvement. 

DevOps has become an essential framework for organisations looking to accelerate their software development lifecycle, enhance software quality, and meet the ever-changing demands of the modern market. Embracing DevOps principles can lead to more efficient, reliable, and successful software development projects.

How to check for open ports on Linux

Checking for open ports is among the first steps to secure your device. Listening services may be the entrance for attackers who may exploit...